TS EAMCET · Chemistry · States of Matter
The compressibility factor \((\mathrm{z})\) is lower for \(\mathrm{NH}_3\) and \(\mathrm{CO}_2\) gases than that of \(\mathrm{N}_2\) gas, because
- A van der Waals constants 'a' of \(\mathrm{CO}_2\) and \(\mathrm{NH}_3\) are greater than that of \(\mathrm{N}_2\)
- B van der Waals constants 'a' of \(\mathrm{CO}_2\) and \(\mathrm{NH}_3\) are less than that of \(\mathrm{N}_2\)
- C 'a' \(\left(\mathrm{NH}_3\right)>\) 'a' \(\left(\mathrm{N}_2\right)\) but 'a' \(\left(\mathrm{CO}_2\right) < \) 'a' \(\left(\mathrm{N}_2\right)\)
- D 'a' \(\left(\mathrm{NH}_3\right) < \) 'a' \(\left(\mathrm{N}_2\right)\) but 'a' \(\left(\mathrm{CO}_2\right)>\) 'a' \(\left(\mathrm{N}_2\right)\)
Answer & Solution
Correct Answer
(A) van der Waals constants 'a' of \(\mathrm{CO}_2\) and \(\mathrm{NH}_3\) are greater than that of \(\mathrm{N}_2\)
Step-by-step Solution
Detailed explanation
The compressibility factor is lower for \(\mathrm{NH}_3\) and \(\mathrm{CO}_2\) gases than that of \(\mathrm{N}_2\) gas because vander waals constant 'a' of \(\mathrm{CO}_2\) and \(\mathrm{NH}_3\) are greater than that of \(\mathrm{N}_2\).
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